Add wolfBoot support for STM32G4 #2635

Job	Run time
sim_tpm_seal_noauth_ecc256 / build	59s
sim_tpm_measured_ecc256 / build	57s
sim_tpm_rsa2048 / build	1m 10s
sim_tpm_seal_ecc256 / build	1m 6s
sim_tpm_keystore_rsa2048 / build	1m 6s
sim_tpm_seal_rsa2048 / build	59s
sim_tpm_seal_noauth_ecc384 / build	1m 0s
sim_tpm_ecc256 / build	1m 0s
sim_tpm_seal_noauth_rsa2048 / build	1m 4s
sim_tpm_ecc384 / build	58s
sim_tpm_seal_ecc384 / build	1m 7s
sim_tpm_debug / build	1m 0s
sim_tpm_keystore_noauth_rsa2048 / build	1m 3s
sim_tpm_keystore_noauth_ecc256 / build	1m 7s
sim_tpm_keystore_ecc256 / build	1m 6s
sim_tpm_measured_rsa2048 / build	1m 3s
sim_tpm_keystore_noauth_ecc384 / build	1m 10s
sim_tpm_keystore_ecc384 / build	59s
sim_tpm_measured_ecc384 / build	1m 8s
	20m 2s

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